Which of These Statements Are True Concerning Protein Digestion in the Body

Which of these statements are true concerning protein digestion in the body?

A) Pepsin breaks down proteins into peptides.
B) Peptidases on the intestinal villi break down peptides into amino acids.
C) Amino acids are absorbed into intestinal epithelial cells by cotransport.
D) Amino acids are transported to the liver by the hepatic portal system.
E) All of these are true statements.